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Chapter 1 -- RADAR / SPEED MEASURING SYSTEMS; 1.1 -- Police Traffic Radar; 1.2 -- Other Speed Measuring Systems; 1.2 -- Sample Calculations: Compute Errors; 1.3 -- Vehicle Radar; 1.4 -- Sports Radar ... 6.4 -- Sample Calculation: Laser Aim Error; 6.5 -- Operational Problems with Laser Radars; 6.6 -- Laser Radar Speed Error --
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www.copradar.com/preview/content.html
www.copradar.com/preview/content.html
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Although now thoroughly tested for accuracy by many police agencies, radar and laser guns and their operators still make mistakes. It is estimated that over 25% of all radar tickets are in error. The most noticeable and common mistakes include shadowing, RFI interference, cosine error and mechanical interference.
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www.radarbusters.com/mistakesarticle.cfm
www.radarbusters.com/mistakesarticle.cfm
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Carl Fors, president of Speed Measurement Laboratories Inc., a Fort Worth, Texas-based company that specializes in radar technology, trains police around the country in the use of radar. He said it is subject to both human and technical error.
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www.pressdemocrat.com/article/20071002/NEWS/710020308?T...
www.pressdemocrat.com/article/20071002/NEWS/710020308?Title=Case-pits-police-radar-against-GPS-in-teen-s-car
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On car mounted radars it can occasionally occur when the police unit is in a tight turn. Radar operators are taught not to take readings when the radar unit is scanning. Newer radars are designed to reduce this error and will almost always refuse to read anything when this phenomenon occurs;
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members.cox.net/reconokc/radar.html
members.cox.net/reconokc/radar.html
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Instead, radar manufacturers promised to police their own ranks. From out perspective, things haven't improved. Police radar is as error prone today as ever, particularly with the widespread use of radar in the instant-on mode.
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www.floridadrivers.com/speed_traps/problems_police_rada...
www.floridadrivers.com/speed_traps/problems_police_radar.php
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"Vehicle interference" error occurs when moving radar is used in traffic. For example, traffic ahead can confuse the radar's estimate of patrol speed. Moving radar calculates target speed by subtracting patrol speed from the closing speed of the target.
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www.escortradar.com/errors.php
www.escortradar.com/errors.php
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Stationary microwave and laser police traffic radar Cosine Effect error. ... Police Traffic Radar Handbook; Chapt 4.1 -- Cosine Error Geometry...
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copradar.com/preview/chapt4/ch4d1.html
copradar.com/preview/chapt4/ch4d1.html
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we want to be sure that every piece of police radar being used be in proper working order so that mistakes are not made and speeding tickets not issued in error or unjustly. Ok, so how does all of this work and why does it matter?
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www.buyradardetectors.com/Articles/Radar-Calibration-Ba...
www.buyradardetectors.com/Articles/Radar-Calibration-Bait-and-Switch.aspx
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Police radar gun mistakes, errors and inaccuracies exposed. ... Harmonic Error From Phase Lock Loop - This problem is common with moving radar guns when the police car is accelerating and the target vehicle is moving at a slow speed, typically under 20 mph and an error can occur in the reading.
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www.trafficticketsecrets.com/radar-guns.html
www.trafficticketsecrets.com/radar-guns.html
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